7224643340 has 48 divisors (see below), whose sum is σ = 16290517824. Its totient is φ = 2681548800.

The previous prime is 7224643301. The next prime is 7224643343. The reversal of 7224643340 is 433464227.

It is a self number, because there is not a number n which added to its sum of digits gives 7224643340.

It is not an unprimeable number, because it can be changed into a prime (7224643343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125501 + ... + 173780.

It is an arithmetic number, because the mean of its divisors is an integer number (339385788).

Almost surely, 2^7224643340 is an apocalyptic number.

It is an amenable number.

7224643340 is an abundant number, since it is smaller than the sum of its proper divisors (9065874484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7224643340 is a wasteful number, since it uses less digits than its factorization.

7224643340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299378 (or 299376 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

The square root of 7224643340 is about 84997.9019741076. The cubic root of 7224643340 is about 1933.1793052742.

The spelling of 7224643340 in words is "seven billion, two hundred twenty-four million, six hundred forty-three thousand, three hundred forty".